The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
The electron donating capacity of biochar is dramatically underestimated
Open accessAbstract
Biochars have gathered considerable interest for agronomic and engineering applications. In addition to their high sorption ability, biochars have been shown to accept or donate considerable amounts of electrons to/from their environment via abiotic or microbial processes. Here, we measured the electron accepting (EAC) and electron donating (EDC) capacities of wood-based biochars pyrolyzed at three different highest treatment temperatures (HTTs: 400, 500, 600 °C) via hydrodynamic electrochemical techniques using a rotating disc electrode. EACs and EDCs varied with HTT in accordance with a previous report with a maximal EAC at 500 °C (0.4 mmol(e−).g char−1) and a large decrease of EDC with HTT. However, while we monitored similar EAC values than in the preceding study, we show that the EDCs have been underestimated by at least 1 order of magnitude, up to 7 mmol(e−).g char−1 for a HTT of 400 °C. We attribute this existing underestimation to unnoticed slow kinetics of electron transfer from biochars to the dissolved redox mediators used in the monitoring. The EDC of other soil organic constituents such as humic substances may also have been underestimated. These results imply that the redox properties of biochars may have a much bigger impact on soil biogeochemical processes than previously conjectured.
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Cites
Biochar as a sorbent for contaminant management in soil and water: A review
Ahmad, M., Rajapaksha, A. U., Lim, J. E., Zhang, M., Bolan, N., Mohan, D., Vithanage, M., Lee, S. S., & Ok, Y. S. (2014) · Chemosphere · doi:10.1016/j.chemosphere.2013.10.071 · Cited by 4,662
Biochar for Environmental Management: Science, Technology and Implementation
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“+ → + char ferri char ferro Char oxidation: (1) OX”
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Impact of Biochar Amendment on Fertility of a Southeastern Coastal Plain Soil
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Surface chemistry variations among a series of laboratory-produced biochars
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An investigation into the reactions of biochar in soil
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Self-citationInfluence of biochars on nitrous oxide emission and nitrogen leaching from two contrasting soils
Singh, B. P., Hatton, B. J., Singh, B., Cowie, A. L., & Kathuria, A. (2010) · Journal of Environmental Quality · doi:10.2134/jeq2009.0138 · Cited by 818
Biochar and denitrification in soils: when, how much and why does biochar reduce N2O emissions?
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Promoting Interspecies Electron Transfer with Biochar
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Cited by
Applications of biochar in redox-mediated reactions
Yuan, Y., Bolan, N., Prévoteau, A., Vithanage, M., Biswas, J. K., Ok, Y. S., & Wang, H. (2017) · Bioresource Technology · doi:10.1016/j.biortech.2017.06.154 · Cited by 486
Self-citationGhodake, G. S., Shinde, S. K., Kadam, A. A., Saratale, R. G., Saratale, G. D., Kumar, M., Palem, R. R., AL-Shwaiman, H. A., Elgorban, A. M., Syed, A., et al. (2021) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2021.126645 · Cited by 414
Biochar: Production, properties and emerging role as a support for enzyme immobilization
Pandey, D., Daverey, A., & Arunachalam, K. (2020) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2020.120267 · Cited by 339
Activity and Reactivity of Pyrogenic Carbonaceous Matter toward Organic Compounds
Pignatello, J. J., Mitch, W. A., & Xu, W. (2017) · Environmental Science & Technology · doi:10.1021/acs.est.7b01088 · Cited by 293
Biochar based catalysts for the abatement of emerging pollutants: a review
Do Minh, T., Song, J., Deb, A., Cha, L., Srivastava, V., & Sillanpää, M. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.124856 · Cited by 231
Metadata
- Authors
- Prévoteau, A., Ronsse, F., Cid, I., Boeckx, P., & Rabaey, K.
- Venue
- Scientific Reports
- Published
- 2016-09-15
- Volume
- 6
- Issue
- 1
- Pages
- 32870-32870
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2519223793
- Cited by
- 175
- References
- 14
- FWCI
- 8.59
- Type
- journal article
- Language
- en
- Open access
- gold
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